Question

1. Write two examples for each of the following.
1. Circulatory system consists of these
2. Substances transported by blood
3. Blood vessels
4. Organs of the excretory system
Short answer questions
1. Name any two organ systems of our body.
2. What is the circulatory system?
3. Name the organs of the circulatory system.
4. Name the organs of the excretory system.
Long answer questions​

Answer 1

Answer:

1) heart and blood vessels

2) oxygen and nutrients

3) artery and vein

4) kidney and urethra.

.

.

1) respiratory system and nervous system